work with somebody ****
work among somebody

He has been known to work with eviltwinbooking.org and speakoutnow.org, among other groups.

It worked particularly well among girls 10 to 14 years old.

It only worked, though, in places where he had been before, and among people common to that area.

She could at least show some gratitude by going off to work among her own.

As a result, the company reported little data on how the vaccine might work among those people.

Most of them worked among the rural population providing medical care.

My daughter has explained to me how this concept works among your people.

And there were hunters working among the plants, doing woman's work.

After sentencing he was allowed to work and move among the general population of the prison.

Or so things worked among the nobility, at any rate.